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Use the TTT plot for steel below to answer the following questions 58) Which lin

ID: 1486069 • Letter: U

Question

Use the TTT plot for steel below to answer the following questions

58) Which line (A-F) would afford coarse pearlite morphology?

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59) Which line (A-F) would afford fine pearlite morphology?

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60) Which lines (A-F) would afford martensite?

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61) Which line (A-F) would afford bainite?

Please answer all of them without guessing!!! Thanks

Austenite 720 °q Transformation Start Transformation Finish Furnace Cool Air Cool p Austempering 320° 250 °q Water Quench Oil Quench Martempering LOG TIME 1 sec 10 s 100 s

Explanation / Answer

58. line F

59. line E

60. line A

61. line D